Masen is a village in Iran.
Masen may also refer to: Ulu Masen, a tropical rainforest in Aceh, Indonesia Masen, the acronym for the Moroccan Agency for Sustainable Energy Masen Davis (born 1971), an American transgender rights activist ません, a suffix to indicate the polite negative form of a verb in Japanese verb conjugation
See also Mesen, Iran (disambiguation)